Adjustable work holder



FIG. 1 is a top, front and right-side perspective view of a adjustable work holder showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a left side elevational view, the right side being a mirror image;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for adjustable work holder, as shown. 